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keydown-key
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A utility function to normalize the KeyboardEvent.key especially during IME
A utility function to normalize the KeyboardEvent.key especially during IME composition
To handle the different behaviors (with IME) between browsers on different platforms.
With the different
platform + browser
, thekeyDownEvent.key
has a different value whenselecting a CJK character
by pressing theEnter key
withIME
.
[IME keyDown.key issue] Chrome on Mac
Example of the issue: https://imgur.com/63EJixc
With IME, the keyDown.key value of Chrome is different on Mac and Windows
Enter
Process
With IME, the keyDown.key value of Chrome and FireFox are different on Mac
Process
on both Mac and Windowsyarn add keydown-key
keydown-key
in your applicationimport keyDownKey from 'keydown-key';
// ... omit
function handleKeyDown(event: KeyboardEvent) {
const { key } = keyDownKey(event);
switch(key) {
case 'Enter':
// Do what you want for real `Enter` key
break;
case 'Process':
// The keyDown on "Enter" with IME will be here
break;
default:
}
}
inputBox.addEventListener('keydown', handleKeyDown);
import React from "react";
import keydownKey from "keydown-key";
const handleKeyDown = (event: React.KeyboardEvent) => {
// use the `nativeEvent` attribute to get the browser KeyboardEvent
// https://reactjs.org/docs/events.html#overview
const { key: theNormalizedKey } = keydownKey(event.nativeEvent);
switch(key) {
case 'Enter':
// Do what you want for real `Enter` key
break;
case 'Process':
// The keyDown on "Enter" with IME will be here
break;
default:
}
};
const App = () => {
return <input onKeyDown={handleKeyDown} />;
};
export default App;
[1] IME https://en.wikipedia.org/wiki/Input_method
[2] CJK characters https://en.wikipedia.org/wiki/CJK_characters
FAQs
A utility function to normalize the KeyboardEvent.key especially during IME
The npm package keydown-key receives a total of 1,925 weekly downloads. As such, keydown-key popularity was classified as popular.
We found that keydown-key demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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